domain x range y domain x range y domain x range y 0 1 2 3 n 6 7 8 9 1n + 6 1234n1234n 3 7 11 15 4n...
TRANSCRIPT
Domainx
Rangey
Domainx
Rangey
Domainx
Rangey
0123n
6789
1n + 6
1234n
371115
4n - 1
0123n
57911
2n + 5
PW page 14 questions 9-11
2 4
2
4
-2
-4
-2-4x
y
X Y
4 1
8 2
2 3
Yes it is a function, the reddoesn’t pass through 2 pts.during the vertical line test.
Domain Range
6
8
-6
-8
-6-8 6 8
Input Output
x
y
X Y
2 2
2 4
3 6
4 8
Not a function, the red linepasses through 2 pointsduring the vertical line test.
2 4
2
4
-2
-4
-2-4
6
8
-6
-8
-6-8 6 8
Domain RangeInput Output
Open PW to page 11 and complete
problems 3, 4, and 5
One of four parts into which the axes divide a coordinate plane.
is an ordered pair (x,y) that producesa true statement when substituted
a set of points that represent all solutions of an equation
is a line graph
Ax + By = CA & B cannot be zero
A linear equation Ax + By = C, where the graph is not a vertical line
-x + 4
b =
m =
y bmx
1
1
4
To solve for y, simply subtract
the x from both sides
Always write slope as a fraction
Option 1Slope-Intercept
Form
Domainx
Rangey
04
40
Find the valuewhen x is zerothen find the
value when y iszero
Option 2Standard Form
Domainx
Rangey 2 1x y
4y x
x
y
2 7y x
x
y
x
y
4 8x y
x
y
2 6 12x y
x
y 5x y
x
y
6y x
LESSON 3-1
2 4
2
4
-2
-4
-2-4
x
yA
B
C
Write the coordinatesof each point.
1. A2. B3. C
Evaluate
3 5x 4.
2 3x y5.
(-1,4)
2x FOR
4x 5y FOR
1
7
(4,2)(-3,-2)
2 4
2
4
-2
-4
-2-4x
y
3-1 Equations with Two Variables#7
0.5 4y x
X Y
2 3
0 4
4 2
14
2y x Negative slope
2 4
2
4
-2
-4
-2-4x
y
3-1 Equations with Two Variables#8
4y X Y
# 4
# 4
# 4
The answer to thisquestion iseverywhere Y is 4
Slope of zero
3
2 4
2
4
-2
-4
-2-4x
y
3-1 Equations with Two Variables#9 2 3 6x y
3 2 6y x 32
23
y x
X Y
3 0
0 -2
-3 -4Positiv
e slope
2 4
2
4
-2
-4
-2-4x
y
3-1 Equations with Two Variables
10 5x y #10
5 10y x5 5
2y x X Y
1 -2
0 0
-2 4
Negative slope
HE
LP!
3-1 Equations with Two Variables
3 2 12x y X Y
0 4
6 3
4 0
11.
12.
13.
NOYESYES
3-1 Equations with Two Variables
X Y
-3 2
-10 -2
5 4
14.
15.
16.
NOYESYES
2 5 10x y